D86m — Gruenfeld: Classical Exchange, Simagin Improved, 9.O-O b6

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 Nc6 9.O-O b6 * ○ Trait aux Blancs

Ouverture — Centre semi-ouvert

♔ Point de vue Blancs

8 7 6 5 4 3 2 1

abcdefgh

Avantages : majorité centre (2v1), case forte f4, case forte d5, Bc4 actif, paire de fous, colonne b.
Faiblesses adverses : arriéré c7, Bc8 enfermé.
Problèmes : Bc1 enfermé, arriéré c3, isolé a2.
Plans :
● Be3 — Développer Bc1
● Rb — Tour sur colonne b

♚ Point de vue Noirs

1 2 3 4 5 6 7 8

hgfedcba

Avantages : majorité aile_dame (3v2), Bg7 actif, paire de fous, colonne d.
Faiblesses adverses : arriéré c3, isolé a2, Bc1 enfermé.
Problèmes : Bc8 enfermé, arriéré c7.
Plans :
● ...Bf5 — Développer Bc8
● ...Na5 — Attaquer Bc4
● ...e6 — Rupture
● ...e5 — Rupture
● ...f6 — Rupture

Avantages

Faiblesses adverses

Diagonale active

Plans

Structure de pions

D86m — Classical Exchange Simagin Improved

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5 5.e4 Nxc3 6.bxc3 Bg7 7.Bc4 O-O 8.Ne2 Nc6 9.O-O b6

Eval: [+0.49]

Les coups candidats

10.Be3 — 60.0% (312 parties)

Ambassadeurs : Uhlmann, Wolfgang (10x), Gburek, Juergen (5x), Genchev, Maksim (5x), Van Leeuwen, Etienne (4x), Hartston, William R (3x), Rissanen, Heikki (3x), Casser, Aaron (3x), Tisdall, Jonathan D (3x)

10.Bg5 — 25.2% (131 parties)

Ambassadeurs : Uhlmann, Wolfgang (3x), Gulko, Boris (3x), Martinovsky, Eugene (3x), Jussupow, Artur (3x), Tukmakov, Vladimir B (2x), Gligorić, Svetozar (2x), Olafsson, Helgi (2x), Ostenstad, Berge (2x)

10.f4 — 4.2% (22 parties)

Ambassadeurs : Ledger, Andrew J (2x), Giterman, Shlomo (1x), Tukmakov, Vladimir B (1x), Kouatly, Bachar (1x), Rayner, Emmanuel (1x), Shelley, Peter J (1x), Jamieson, SR. (1x), Knochel, Torben (1x)

10.Bd3 — 3.3% (17 parties)

Ambassadeurs : Ftacnik, Lubomir (2x), Wilder, Marcel Eugene (2x), Tazelaar, H J A (2x), Pastukhov, Igor (2x), Sokolov, Ivan (1x), Hort, Vlastimil (1x), Gulko, Boris (1x), Goldenberg, Richard (1x)

Analyse statistique des coups candidats

Répartition par niveau Elo (% des parties)

Tranche Elo	N parties	10.Be3	10.Bg5	10.f4	10.Bd3
<1800	4	100%	—	—	—
1800-2200	108	69%	15%	9%	—
2200-2600	237	51%	35%	3%	6%
2600+	8	38%	50%	—	—

Évolution par décennie (% des parties)

Décennie	N parties	10.Be3	10.Bg5	10.f4	10.Bd3
1950s	11	91%	—	—	—
1960s	30	80%	10%	3%	—
1970s	79	65%	22%	8%	—
1980s	61	56%	33%	—	7%
1990s	126	48%	34%	2%	5%
2000s	109	63%	22%	6%	2%
2010s	89	63%	20%	6%	6%
2020s	15	53%	40%	—	—

Tendances récentes (2010s → 2020s)

Coup	2010s	2020s	Δ
10.Be3	63%	53%	▼ -9.6%
10.Bg5	20%	40%	▲ +19.8%
10.f4	6%	0%	▼ -5.6%
10.Bd3	6%	0%	▼ -5.6%

Joueurs célèbres

Champions du monde dans cette position

Tal, Mikhail — 1 partie
Kramnik, Vladimir — 1 partie

Parties historiques

10.Be3 — 60.0% (312 parties)

1952 — Pedersen, Ebbe vs Platz, Hans — 1-0 — Helsinki FIN
1952 — Bobotsov, Milko G vs Filchev, Rusko — 1/2-1/2 — Sofia BUL
1952 — Sanchez Alpizar, Luis Alberto vs Pachman, Ludek — 1/2-1/2 — Saltsjobaden SWE
1952 — Gadalinski, Jan vs Sowinski, Jerzy — 0-1 — Katowice POL
1955 — Kozma, Julius vs Sajtar, Jaroslav — 1/2-1/2 — Prague tm Prague CZE

10.Bg5 — 25.2% (131 parties)

1962 — Gligorić, Svetozar vs Uhlmann, Wolfgang — 1/2-1/2 — Stockholm SWE
1968 — Persitz, Raaphi vs Tukmakov, Vladimir B — 0-1 — Hastings ENG
1969 — Gligorić, Svetozar vs Uhlmann, Wolfgang — 1/2-1/2 — Sarajevo BIH
1971 — Petrosian, Tigran V. vs Uhlmann, Wolfgang — 1/2-1/2 — Moscow RUS
1971 — Donner, Jan-Hein vs Hartoch, Robert G — 1/2-1/2 — Leeuwarden ch-NED

10.f4 — 4.2% (22 parties)

1968 — Giterman, Shlomo vs Tukmakov, Vladimir B — 0-1 — Riga LAT
1971 — Shelley, Peter J vs Jamieson, SR. — 1-0 — London ENG
1973 — Knochel, Torben vs Melrose Gregory — 0-1 — Teesside ENG
1975 — Kouatly, Bachar vs Rayner, Emmanuel — 1/2-1/2 — Tjentiste
1975 — Atkinson, B. vs De Coverly, Roger D — 1-0 — Slough Champ

10.Bd3 — 3.3% (17 parties)

1988 — Wilder, Marcel Eugene vs Gulko, Boris — 0-1 — Verenigde Staten ch-USA
1989 — Ftacnik, Lubomir vs Sokolov, Ivan — 1/2-1/2 — Haifa ISR
1989 — Wilder, Marcel Eugene vs Hort, Vlastimil — 1/2-1/2 — Lugano open
1989 — Goldenberg, Richard vs Mohrlok, Dieter — 1-0 — Bergraser Memorial-GM
1990 — Maksimovic, Branimir vs Zganec, Albin — 1-0 — Pula CRO

	♔ Blancs	♚ Noirs
Pions doublés	—	—
Pions isolés	● a2	—
Arriérés	● c3	● c7
Chaînes	● c3→d4	● a7→b6, c7→b6, f7→g6, h7→g6
Passés	—	—
Majorité	● centre 2v1	● aile_dame 3v2

Cases

	♔ Blancs	♚ Noirs
Cases fortes	● f4 (2v0), ● d5 (2v1)	—
Cases faibles	—	—
Centre	● d5 (2v1)	● e5 (2v1)

Colonnes et diagonales

	♔ Blancs	♚ Noirs
Semi-ouvertes	● b	● d

Pièces

	♔ Blancs	♚ Noirs
Bc1	● Bc1 Non développé (mob. 7)
Bc4	● Bc4 Actif (mob. 7)
Bg7		● Bg7 Actif (mob. 5)
Bc8		● Bc8 Non développé (mob. 7)
Paire de fous	● Oui	● Oui
Clouages	—	● pawn f7
Non développées	2 (c1, a1)	2 (c8, a8)

Sécurité du roi

	♔ Blancs	♚ Noirs
Statut	● Roqué	● Roqué
Droits de roque	—	—

Thèmes

	♔ Blancs	♚ Noirs
Phase	Ouverture
Centre	semi-ouvert
Ruptures	● d4-d5, ● e4-e5, ● f2-f3	● …e7-e6, ● …e7-e5, ● …f7-f6, ● …f7-f5

Partie
1952 Helsinki olm – Round 1 – Pedersen, Ebbe – 1-0 – Platz, Hans – G91 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1952 POL-ch10 – Round 20 – Gadalinski, Jan – 0-1 – Sowinski, Jerzy – G142 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Na5
1952 Saltsjobaden Interzonal – Round 7 – Sanchez Alpizar, Luis Alberto – 1/2-1/2 – Pachman, Ludek – G66 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Na5
1955 Prague tm Prague CZE – Round 3 – Kozma, Julius – 1/2-1/2 – Sajtar, Jaroslav – G18 1. c4 Nf6 2. d4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1956 Alekhine Memorial – Round 1 – Sliwa, Bogdan – 0-1 – Pachman, Ludek – G52 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Rb1 Bb7
1957 Reykjavik – Round 1 – Spalk, Bjarne – 0-1 – Navarovszky, Laszlo – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1957 URS Ch sf – Round 15 – Poliak, Abram – 1/2-1/2 – Nikitin, Aleksander S – G14 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1959 Hoogovens – Round 1 – Toran Albero, Roman – 0-1 – Larsen, Benjamin Holsko – G13 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Qd7
1961 EU Team Ch – Round 10 – Franco Atehortua, Xiomara Andrea – 1/2-1/2 – Kozma, Julius – G14 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1962 Argentina – Round 13 – Lopez Bahamonde – 0-1 – Sanguineti, Raúl Carlos – G66 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1962 Stockholm Interzonal – Round 2 – Gligorić, Svetozar – 1/2-1/2 – Uhlmann, Wolfgang – G13 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Bg5 Bb7
1963 Halle zt – Round 1 – Johannessen, Simon T – 0-1 – Larsen, Benjamin Holsko – G52 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1963 LAT Ch – Round ? – Kalnins, Aleksandrs Alans – 0-1 – Klovans, Janis – G29 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 b6 9. O-O Nc6 10. Be3 Na5
1964 Tel Aviv olm fin-B – Round 3 – Cantero, Ronaldo – 0-1 – Littlewood, Norman – G34 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Ba3 Na5
1965 Buenos Aires ch-ARG – Round 7 – Bielicki, Carlos – 1/2-1/2 – San Martin Sanguinetti, Vicente – G50 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1965 Zagreb – Round 6 – Portisch, Lajos – 1-0 – Uhlmann, Wolfgang – G64 1. c4 g6 2. d4 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1966 Hastings6667 – Round 8 – Balashov, Yuri S – 0-1 – Uhlmann, Wolfgang – G37 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1966 La Habana olm prel – Round 1 – Pachman, Ludek – 1-0 – Uhlmann, Wolfgang – G19 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1966 Stockholm jub 6667 – Round 2 – Horberg, Bengt-Eric – 1-0 – Johannessen, Svein – G6 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1967 Halle zt – Round 16 – Petersen, Flemming Petri – 0-1 – Uhlmann, Wolfgang – G77 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1967 Moscow – Round 1 – Gheorghiu, Florin – 1/2-1/2 – Uhlmann, Wolfgang – G77 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1967 Oxford ch-BCF – Round 1 – Ludgate, Alan – 1/2-1/2 – Hollis, Adrian – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. f3 Na5
1968 Hastings6869 – Round 11 – Persitz, Raaphi – 0-1 – Tukmakov, Vladimir B – G60 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Bg5 Qd7
1968 URS Team Ch – Round 1 – Giterman, Shlomo – 0-1 – Tukmakov, Vladimir B – G74 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. f4 Na5
1968 Weimar ch DDR – Round 6 – Wehnert, Lutz – 1/2-1/2 – Uhlmann, Wolfgang – G10 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7
1969 Sarajevo – Round 3 – Gligorić, Svetozar – 1/2-1/2 – Uhlmann, Wolfgang – G27 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Bg5 Na5
1969 Schwerin – Round 2 – Bindrich, Oswald – 1/2-1/2 – Liebert, Heinz – G38 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Na5
1971 Moscow – Round 4 – Petrosian, Tigran V. – 1/2-1/2 – Uhlmann, Wolfgang – G108 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Bg5 Na5
1990 Linares 8th – Round 1 – Beliavsky, Alexander G – 1-0 – Gulko, Boris – G2 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Bg5 Bb7
Hoogovens Blitz 1999 – Round 4 – Ivanchuk, Vasyl – 1-0 – Svidler, Peter – G14 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Bg5 Bb7
Interpolis 1979 – Round 3 – Spassky, Boris V. – 1-0 – Huebner, Robert – G16 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 O-O 8. Ne2 Nc6 9. O-O b6 10. Be3 Bb7

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